Won't install/boot up with 4gb

Hi Im having a rather strange problem here. I tried to install W7 64bit today and it took WAY too long (gave up 30 min. after clicking Install Now) I read somwhere on the internet that it might help if you only have 2gb when you install so i took 1 of my RAM blocks out, and it installed perfectly in 15 min. or something. But when i put the 2gb block back in the boot up takes a vary long time on the loading screen and then its just a black screen where the mouse can move, although its vary choppy! I thought it might have been a faulty RAM block so i tried switching the two out but it still works. Has anyone got any idea of what might be wrong here?

Hi Im having a rather strange problem here. I tried to install W7 64bit today and it took WAY too long (gave up 30 min. after clicking Install Now) I read somwhere on the internet that it might help if you only have 2gb when you install so i took 1 of my RAM blocks out, and it installed perfectly in 15 min. or something. But when i put the 2gb block back in the boot up takes a vary long time on the loading screen and then its just a black screen where the mouse can move, although its vary choppy! I thought it might have been a faulty RAM block so i tried switching the two out but it still works. Has anyone got any idea of what might be wrong here?

I attached my DxDiag file

Click to expand...

Have you tried using the 1 stick in EITHER of your 2/4 slots? If not, then I'd recommend testing both 2GB sticks on every port (a total of 8 tries) and that should be able to tell me whether it could be a RAM slot fault. If you have switched the sticks around and it's a 2-slot Motherboard, disregard this message.

Hope this helps EDIT: IF it works when you switch it around and you've only got two slots then just run it with them the way it works. ALSO, i can't even begin to comprehend most of the DxDiag file. I don't dig in regedit all day.

If you're problem hasn't been solved yet, try putting just 1 stick in both slots (not at the same time). So try putting a 2GB stick in slot0 and then if that's works put the other stick in Slot0 and see if that works. If it does, then move the sticks over to test slot1 and repeat the process. If both sticks work individually on both slots, it could very well be a memory controller issue or just something 7 doesn't like about your memory. I can't say for certain.